BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
SEA→HNL

Seattle, WA (SEA) to Honolulu, HI (HNL) flight delay odds

64.5% of 2,938 official scheduled SEA-to-HNL flights arrived on time; 21.1% arrived at least 30 minutes late and 1.0% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
64.5%arrived on time
21.1%30+ min late
1.0%cancelled
2,938scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.1%all scheduled flights
120+ minutes late4.2%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+18.2 mincompleted flights

Which departure time was most reliable for SEA to HNL?

Among qualifying SEA-to-HNL departure window results, Early morning had the highest on-time rate: 75.6% of 821 flights. Evening was lowest at 56.5% across 635 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning82175.6%14.0%0.5%
Late morning63060.3%24.4%1.6%
Afternoon83463.3%19.8%1.0%
Evening63556.5%28.3%0.9%

Which weekday was most reliable for SEA to HNL?

Among qualifying SEA-to-HNL weekday results, Wednesday had the highest on-time rate: 69.2% of 402 flights. Friday was lowest at 55.6% across 421 flights.

DayFlightsOn time30+ minCancelled
Monday41864.4%20.6%0.7%
Tuesday41666.1%19.5%1.0%
Wednesday40269.2%16.4%0.5%
Thursday42567.1%20.9%0.2%
Friday42155.6%27.6%1.7%
Saturday42866.6%19.4%1.2%
Sunday42863.1%22.9%1.6%

Which airline was most reliable for SEA to HNL?

Among qualifying SEA-to-HNL airline results, Delta Air Lines had the highest on-time rate: 76.3% of 789 flights. Hawaiian Airlines was lowest at 56.7% across 727 flights.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines1,42262.0%23.2%0.8%
Delta Air Lines78976.3%11.7%0.8%
Hawaiian Airlines72756.7%27.1%1.5%

Which month was most reliable for SEA to HNL?

Among qualifying SEA-to-HNL month results, October 2025 had the highest on-time rate: 76.6% of 248 flights. July 2025 was lowest at 49.2% across 248 flights.

MonthFlightsOn time30+ minCancelled
July 202524849.2%31.5%2.4%
August 202524857.7%24.6%0.4%
September 202524074.2%13.8%0.4%
October 202524876.6%13.7%1.2%
November 202523462.8%21.8%0.9%
December 202525659.0%28.5%1.6%
January 202625070.0%17.2%1.2%
February 202623159.3%28.1%1.3%
March 202626050.8%30.0%0.8%
April 202623976.2%15.1%0.4%
May 202624771.7%13.8%0.8%
June 202623768.4%13.9%0.4%

What drove SEA to HNL delay minutes?

Airline was the largest recorded SEA-to-HNL delay category, accounting for 71.8% of 71,293 BTS-attributed delay minutes during July 2025–June 2026.

Airline71.8%
Late aircraft16.2%
National airspace10.2%
Weather1.4%
Security0.4%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.